Adams Udoji Itodo, Rufus Sha’Ato, and Michael Imisi Arowojolu , Trans., “Distribution of Polycyclic Aromatic Hydrocarbons (PAHs) in Soil Samples from Regions Around Loda-IreleBitumen Field, Nigeria”, Pak. J. Anal. Environ. Chem., vol. 19, no. 1, pp. 71 – 78, Jun. 2018, doi: 10.21743/pjaec/2018.06.07.